tests

Update minimum iOS version from 10 to 12. (#918) #245

Job	Run time
pod-lib-lint (--use-libraries)	4m 31s
pod-lib-lint (--use-static-frameworks)	2m 55s
xcode-project-test (-scheme AppAuth-macOS -destination 'platform=macOS,arch=x86_64' -sdk 'macosx1...	38s
xcode-project-test (-scheme AppAuth_macOS -destination 'platform=macOS,arch=x86_64' -sdk 'macosx1...	43s
spm-build-test	51s
pod-lib-lint	3m 32s
xcode-project-test (-scheme AppAuth-iOS -destination 'platform=iOS Simulator,name=iPhone 15,OS=17...	3m 3s
xcode-project-test (-scheme AppAuth_tvOS -destination 'platform=tvOS Simulator,name=Apple TV,OS=1...	1m 21s
xcode-project-test (-scheme AppAuth-tvOS -destination 'platform=tvOS Simulator,name=Apple TV,OS=1...	2m 7s
xcode-project-test (-scheme AppAuthTV -destination 'platform=tvOS Simulator,name=Apple TV,OS=17.2...	2m 13s
	21m 54s

Provide feedback